| Business | Phone |
| I A Of M & Aw Motor City 2075 W Big Beaver Rd # 700, Troy 48084 | (248) 822-7044 |
| Amalgamated Transit Union 2021 Barrett Dr, Troy 48084 | (248) 362-3749 |
| Uaw 1640 Stephenson Hwy, Troy 48083 | (248) 689-9592 |
| Detroit & Vicinity Trowel 2075 W Big Beaver Rd # 750, Troy 48084 | (248) 822-0100 |
| Police Officer Labor Council 667 E Big Beaver Rd 205, Troy 48083 | (248) 524-3200 |
| National Assn-Letter Carriers 1000 John R Rd 104, Troy 48083 | (248) 589-1779 |
| Sheet Metal Workers Local 2075 W Big Beaver Rd, Troy 48084 | (248) 822-4141 |
| Sheet Metal Workers Local 292 64 Park Dr, Troy 48083 | (248) 589-3237 |